Speedo Endurance+ Swimming Jammers Mens Make a splash in these Speedo Endurance+ Swimming Jammers, crafted with an elasticated waistband, with internal drawstring, in a tight fitting, with 100% Chlorine resistance, improved drag resistance, as well as being quick drying. Classic Speedo branding completes the look. > Men's Swimming Jammers > Elasticated waistband > Internal drawstring > Tight fitting > Integral support for enhanced comfort > Endurance+ - 100% Chlorine resistance > Improved drag resistance > Quick drying > Speedo branding > Body: 53% Polyester, 47% PBT Polyester > Lining: 100% Polyester > Machine washable